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kramer
3 years ago
7

Why is 2 + (−3) equal to −1?

Mathematics
2 answers:
ElenaW [278]3 years ago
8 0
Beacuse there are more negatives than positive. 3-2=1 just put negatives with it.
Nataly_w [17]3 years ago
8 0

Answer:

when you minis a negative number from a positive you would subtract but scene you have a positive plus a negative you would take it as 2 - 3 becuse the 3 is negative

Step-by-step explanation:

2+-3 is -1

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Two supplementary angles are in the ratio of 31:5 find angles​
ad-work [718]

Answer:

The angles are <u>155°</u> and <u>25°</u>.

Step-by-step explanation:

Given:

Two supplementary angles are in the ratio of 31:5.

Now, to find the angles.

The sum of two supplementary angles = 180°

Let the ratio of the angles be 31x\ and\ 5x.

So, according to question:

31x+5x=180\°

36x=180\°

<em>Dividing both sides by 36 we get:</em>

x=5

So, 31x=31\times 5=155\°.

And, 5x=5\times 5=25\°.

Therefore, the angles are 155° and 25°.

7 0
3 years ago
I need help plsssss...........
ch4aika [34]

Answer:

<h2>A)x=3/2 y=½</h2>

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>
  • system of linear equation
  • PEMDAS
<h3>let's solve:</h3>
  • since y is equal to both equation therefore we can substitute the value of y into the other equation
  1. \sf substitute \: the \: value \: of \: y :  \\  \sf  - x + 2 = 3x - 4
  2. \sf add \: x \: to \: both \: sides :  \\  \sf  - x + x + 2 = 3x + x - 4 \\  \sf 4x - 4 = 2
  3. \sf add \: 4 \: to \: both \: sides :  \\  \sf xx - 4 + 4 = 2 + 4 \\ 4x = 6
  4. \sf divide \: both \: sides \: by \: 4 :  \\  \frac{4x}{4}  =  \frac{6}{4}  \\ x =  \frac{3}{2}

let's figure out y

  1. substitute the got value of x into the second equation: y=3*3/2 -4
  2. simplify multiplication:9/2 -4
  3. simplify division:4.5-4
  4. substract:0.5 alternate form:y=½

3 0
3 years ago
A circle is divided into 9 equal parts. What is the angle measure of three of those parts ?
Anna11 [10]
1 becuse you put the deniminatoe 1
8 0
3 years ago
The nth term in a sequence is 2n -6 work out the first three terms
Nata [24]

Answer:

The first three terms in the sequence are -4, -2, 0

Step-by-step explanation:

In any sequence n represents the position of the term in the sequence

<u><em>Examples:</em></u>

First term ⇒ n = 1

Second term ⇒ n = 2

Fifth term ⇒ n = 5

Let us solve our question

∵ The rule of the nth term is an = 2n - 6

→ We need to find the first three terms, means n = 1, 2, 3

∵ n = 1

∴ a1 = 2(1) - 6

∴ a1 = 2 - 6

∴ a1 = -4

∴ The first term is -4

∵ n = 2

∴ a2 = 2(2) - 6

∴ a2 = 4 - 6

∴ a2 = -2

∴ The second term is -2

∵ n = 3

∴ a3 = 2(3) - 6

∴ a3 = 6 - 6

∴ a3 = 0

∴ The third term is 0

The first three terms in the sequence are -4, -2, 0

6 0
3 years ago
Job costing 1680000 to manufacture according to their job cost sheet were completed during the year pass the journal entry
sveticcg [70]

Answer:

Date               Account Title                                             Debit              Credit

XX-XX-XX      Finished Goods                                       $1,680,000

                      Work in Process                                                             $1,680,000

The good would be transferred at cost to the Finished goods account which would be debited to show its increase.

Work in Process will be credited to show that the job is being taken from it.

5 0
2 years ago
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